nanogenerator Archives – The Green Optimistic green tech news, since 2008 Tue, 24 Nov 2015 08:49:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Nanogenerator Powers an E-watch with Energy from Wrist Movement https://www.greenoptimistic.com/nanogenerator-e-watch-energy/ https://www.greenoptimistic.com/nanogenerator-e-watch-energy/#respond Tue, 24 Nov 2015 08:49:00 +0000 https://www.greenoptimistic.com/?p=57810 Self-powered electronic watch uses high-tech mechanism to harvest the energy of the wrist movement, paving the way to battery-free devices. A team of scientists, led by Ya Yang at the Beijing Institute of Nanoenergy and Nanosystems in China, developed a hybrid nanogenerator technology, which can harvest the energy of wrist movement to power electronic devices. […]

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]]> https://www.greenoptimistic.com/nanogenerator-e-watch-energy/feed/ 0 57810 Static Electricity Could Power Mobile Phones https://www.greenoptimistic.com/static-electricity-could-power-mobile-phones-20121120/ https://www.greenoptimistic.com/static-electricity-could-power-mobile-phones-20121120/#comments Tue, 20 Nov 2012 17:17:42 +0000 https://www.greenoptimistic.com/?p=28530 One of the first ways we harnessed static electricity was to drag our shoes on the carpeted floor in the dry air of winter, then touch our brother’s ear. In this little experiment, thousands of volts discharged from the positively charged finger to the negatively charged ear, micro-amps [µA] of electricity. Researchers at Georgia Tech […]

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